Yixing Hengyuan Ceramic Technology Co., Ltd.
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In daily use, ceramic surfaces are prone to wear and tear, which requires adding some reinforcing materials to ceramics to improve wear resistance. Cordierite is a mineral with extremely high hardness. After processing, it can increase the hardness and density of ceramics, effectively improving their wear resistance and making them more durable. In addition, cordierite can make porcelain harder, thereby improving water resistance and durability.
|
Item
| Test Condition | Unit&Symbol | Cordierite Ceramics |
|
The main chemical ingredient
| MgO, Al2O3,SiO2 | ||
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Bulk Density
| gm/cc | 2.6 | |
|
Maximum Use Temperature
| 1400℃ | ||
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Hardness
| HV | 800 | |
|
Bending Strength
| 20℃ | Kgf/cm2 | 900 |
|
Compressive Strength
| 20℃ | Kgf/cm2 | 3500 |
|
Fracture Toughness
| K(I c) | Mpa m1/2 | - |
|
Thermal expansion
| 1X 10-6/℃ | ≤2.0 | |
|
Thermal conductivity
| 25℃-30℃ | W/m.k | 1.3 |
|
Thermal Shock Resistance
| Tc | ℃ | 250 |
|
Dielectricity constant
| 1MHz.25℃ | 6 | |
|
Dielectric strength
| ac-kV/mm (ac V/mil) | 10 | |
|
Volume Resistivity
| 20℃ | ohm-cm | > 1012 |
